Summary statistics for a7_3_c5_1 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c5_1 | 3,126 25703.29 54403.47 1 1936448 by Jean Roth , jroth@nber.org , 3 Sep 2018